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🔧 Upgrade your 3D prints with pro-grade threaded inserts—because your projects deserve the best!
The ruthex M3 Threaded Inserts set includes 100 brass knurled nuts designed for heat or ultrasonic embedding into 3D printed plastic parts. Compatible with a variety of thermoplastics, these M3 inserts provide a secure, corrosion-resistant threaded connection that is reusable and ideal for enhancing the strength and longevity of your 3D printed components.











| ASIN | B08BCRZZS3 |
| Best Sellers Rank | #1,807 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Nut Inserts |
| Brand | ruthex |
| Color | Metric Threaded Insert |
| Compatible Groove Diameter | 3.5 Millimeters |
| Customer Reviews | 4.8 out of 5 stars 4,280 Reviews |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Finish Types | Brass |
| Grade Rating | Industrial |
| Inside Thread Size | M3 |
| Item Diameter | 3 Millimeters |
| Item Dimensions | 4.72 x 3.54 x 0.39 inches |
| Manufacturer | ruthex |
| Material | Brass |
| Material Type | Brass |
| Metal Type | Brass |
| Model | GE-M3x57-001 |
| Number Of Items | 100 |
| Number of Pieces | 100 |
| Part Number | GE-M3x57-001 |
| Screw Head Style | Flat |
| Set Name | ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 |
| Size Name | M3x5.7 (100pcs) |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M3 |
| Thread Style | Right Hand |
| Thread Type | Straight |
| Unit Count | 100.0 Count |
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